﻿/*
 * Greenshot - a free and open source screenshot tool
 * Copyright (C) 2007-2015 Thomas Braun, Jens Klingen, Robin Krom
 * 
 * For more information see: http://getgreenshot.org/
 * The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 1 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

using System;
using System.Runtime.InteropServices;
using Windows.ApplicationModel.DataTransfer;

namespace GreenshotWin10Plugin.Native
{
	/// <summary>
	/// The IDataTransferManagerInterOp is documented here: https://msdn.microsoft.com/en-us/library/windows/desktop/jj542488(v=vs.85).aspx.
	/// This interface allows an app to tie the share context to a specific
	/// window using a window handle. Useful for Win32 apps.
	/// </summary>
	[ComImport, Guid("3A3DCD6C-3EAB-43DC-BCDE-45671CE800C8")]
	[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
	public interface IDataTransferManagerInterOp
	{
		/// <summary>
		/// Get an instance of Windows.ApplicationModel.DataTransfer.DataTransferManager
		/// for the window identified by a window handle
		/// </summary>
		/// <param name="appWindow">The window handle</param>
		/// <param name="riid">ID of the DataTransferManager interface</param>
		/// <param name="pDataTransferManager">The DataTransferManager instance for this window handle</param>
		/// <returns>HRESULT</returns>
		[PreserveSig]
		uint GetForWindow([In] IntPtr appWindow, [In] ref Guid riid, [Out] out DataTransferManager pDataTransferManager);

		/// <summary>
		/// Show the share flyout for the window identified by a window handle
		/// </summary>
		/// <param name="appWindow">The window handle</param>
		/// <returns>HRESULT</returns>
		[PreserveSig]
		uint ShowShareUIForWindow(IntPtr appWindow);
	}

}
